County · GEOID 30013
Cascade County, MT ZIP codes
18 ZIP/ZCTAs intersecting this county.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County Cascade County (GEOID 30013). Methodology
Combined population of ZIP/ZCTAs intersecting this county: 87,821 (18 ZIPs).
Combined population of ZIP/ZCTAs intersecting this county. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census county ACS headline above. Methodology
ZIP/ZCTA overlap with Cascade County
Population overlap
Share of each ZIP/ZCTA’s population located within Cascade County, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- 59401100.0%
Directory county
- 5940499.9%
Directory county
- 59405100.0%
Directory county
- 5941299.6%
Directory county
- 59414100.0%
Directory county
- 5942191.7%
Directory county
- 594362.0%
- 5944047.1%
- 5944389.1%
Directory county
- 59463100.0%
Directory county
- 59465100.0%
Directory county
- 5946826.6%
- 59472100.0%
Directory county
- 59477100.0%
Directory county
- 59480100.0%
Directory county
- 59483100.0%
Directory county
- 59485100.0%
Directory county
- 5948796.6%
Directory county
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Cascade County
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 59401 | Great Falls | Cascade County | 13,600 | $53,750 |
| 59404 | Great Falls | Cascade County | 28,127 | $79,327 |
| 59405 | Great Falls | Cascade County | 34,059 | $60,509 |
| 59412 | Belt | Cascade County | 1,450 | $83,409 |
| 59414 | Black Eagle | Cascade County | 654 | $55,588 |
| 59421 | Cascade | Cascade County | 2,039 | $71,688 |
| 59436 | Fairfield | Teton County | 2,093 | $78,047 |
| 59440 | Floweree | Chouteau County | 427 | $121,875 |
| 59443 | Fort Shaw | Cascade County | 692 | $79,132 |
| 59463 | Monarch | Cascade County | 110 | $40,972 |
| 59465 | Neihart | Cascade County | 33 | — |
| 59468 | Power | Teton County | 796 | $80,652 |
| 59472 | Sand Coulee | Cascade County | 512 | $61,023 |
| 59477 | Simms | Cascade County | 326 | $95,938 |
| 59480 | Stockett | Cascade County | 317 | $92,917 |
| 59483 | Sun River | Cascade County | 353 | $112,656 |
| 59485 | Ulm | Cascade County | 767 | $88,292 |
| 59487 | Vaughn | Cascade County | 1,466 | $53,894 |
USPS associates these ZIPs with Cascade County
These codes list Cascade County as a primary or acceptable city. They are not used for the ACS headline.
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 59402 | Malmstrom AFB | Cascade County | 79 | — |
| 59403 | Great Falls | Cascade County | 1,410 | — |
| 59406 | Great Falls | Cascade County | 644 | — |